1. Atomic Counting
Answer the following questions by determining the total number of atoms in each formula. 1. H2SO4 2. 3Fe AgNO3 4. Pb(NO3)2 5. Ba(ClO3)2
A. 5
B. 9
C. 12
D. 7
E. 15

2. Crack the Code
Your mission whether you choose to accept it or not is to crack the following code by balancing the following equations. 6. SnO2 + H2 → Sn + H2O 7. Al + HCl  AlCl3 + H2 8. NaNO3 + PbO  Pb(NO3)2 + Na2O 9. KCl + H3PO4  K3PO4+ HCl 10. Al + O2  Al2O3
A 2111
B 432
C 1212
D 3113
E 2623

3. Reaction Action
Match the following equations to the correct chemical reaction NaNO3 + PbO  Pb(NO3)2 + Na2O 12. Ba(ClO3)2  BaCl2 + 3O2 13.2AlCl3 + 3Na2SO4  Al­2(SO4)3 + 6NaCl 14.Fe+2AgNO3Fe(NO3)2+2Ag 15. Zn + S ZnS 16. H2SO4 + Fe  H2 + FeSO Fe + 3O2  2Fe2O3
Synthesis
Decomposition
Single Replacement
Double Replacement
Exothermic Reaction

4. What is your Proof?
Determine from the descriptions given, what evidence there is that a chemical reaction took place. 18. I don’t understand what happened I combined compound X and compound Y together, and then there were all kinds of bubbles forming and afterwards there was a weird solid at the bottom of the test tube. 19. Wow! When I mixed the two liquids together they changed from red to blue. I wonder why that happened? 20. I hope we are not in trouble, when we were mixing chemicals in the lab it started to smell like rotten eggs, I followed the directions, I wonder what this means?
A. Odor B. Change in Color C. Gas Bubbles and Precipitate

5. Basically Acidic
Answer the following questions regarding acids and bases and pH.
A. Acid B. Base C. Neutral
Using the pH scale provided, please determine what each of the following is.
21. Vinegar
22. Water
23. Baking Soda
24. Rubbing Alcohol
Lemon Juice
26. What does this equation show2HCl + AlH2 +AlCl2?
When an acid and a metal form it produces hydrogen gas and a salt.
A salt is being formed from an ion
A weak base reacting with a strong acid.
27. Which of these is a weak acid? a. 1 b. 6 c. 8 d. 13
28. Which of these is a weak base? a. 1 b. 6 c. 8 d. 13

6. No Time to Think About It!
29. What type of reaction was the lab?
a. decomposition b. synthesis
30. What kind of energy reaction was this lab?
a. endothermic b. exothermic
31. Which evidence did you not observe during the reaction?
color change b. gas bubbles c. precipitate
32. What determines the subscripts to add to a chemical formula?
oxidation state b. valence electrons c. energy levels
33. What is the formula for tetraphosphorus hexoxide?
a. P3O b. K506 c. P506
34. What is the name of the following compound CO2?
a. carbon monoxie b. carbon dioxide c. dioxide carbon

7. The State of Oxidation
35. magnesium and nitrogen 36. iron (III) and oxygen 37. sodium and sulfur 38. copper (II) and chlorine 39. aluminum and nitrogen 40. mercury (II) and phosphorus

8. The Second State of Oxidation
Endothermic Reaction D. Energy Gained
Exothermic Reaction E. Energy Released
Activation Energy 2 4 5 3 6 7